Free Shipping Offers are for Standard Ground Delivery service and are only valid for shipping addresses within the 48 Contiguous United States. Truck freight and oversize charges still apply unless otherwise notes and can only be shipped to the lower 48 States.Same Day Shipping (on most parts) if you order by 5PM EST on a business day. We ship via UPS Ground and/or USPS to all locations in the Continental 48 States.

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That Flowmaster Sound. Improve your Cobras exhaust flow for an increase in horsepower and a deeper throatier exhaust note with a set of Flowmaster Super Flow 44 Series Mufflers for a truly classic muscle car sound.

Superior Design. The Flowmaster Super 44 Mufflers are MIG welded from durable 16 gauge aluminized steel for durability and value. The 44 series mufflers use Flowmasters patented two chamber "Gen II" Delta Flow design to increase power and sound. And each muffler is embossed with the "Flowmaster" name so you know it is the real article.

Modifications Required. This Muffler was designed to be used on mutliple applications, as it is not a direct fit replacement part. In order to install this Muffler properly on your vehicle, some modifications to the exhaust system will be required.

Application. The Super 44 Muffler's outer case measures 4" x 9.75" x 13", and features a 3" diameter inlet and outlet in an inline configuration. This is the perfect muffler for the 1999 to 2004 SVT Cobra. Sold individually.

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Ordering from AmericanMuscle has always been an a pleasurable experience. Their customer service department is fast and friendly; always willing and ready to clear up any issues or questions I have had. They process orders quickly and efficiently and I often have my order within 2-3 days. I would recommend AmericanMuscle to anyone in need of aftermarket parts for their Mustang.

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I was a customer first - 7 years ago I came in to buy parts, got in an argument with someone about a part, and won. I left with my parts and a new job and I've been here ever since. I knew when I came to work at AmericanMuscle, bleeding Ford blue blood, I was finally home and this was my spot. Wh...